Tornado Watch 73

Issued

Mar 23, 2007, 8:54 PM MDT (02:54 UTC)

Expired

Mar 24, 2007, 2:58 AM MDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Lubbock radar (KLBB), 95 km from the middle of the area, began a volume at 02:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 330Mar 23, 5:34 PM MDT
• Mesoscale Discussion 334Mar 23, 10:32 PM MDT
• Mesoscale Discussion 335Mar 24, 1:05 AM MDT

000
WWUS20 KWNS 240254
SEL3  
SPC WW 240254
NMZ000-TXZ000-241000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 73
NWS STORM PREDICTION CENTER NORMAN OK
955 PM CDT FRI MAR 23 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTHEAST NEW MEXICO
       WEST TEXAS

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 955 PM
UNTIL 500 AM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHWEST OF
PLAINVIEW TEXAS TO 10 MILES WEST OF FORT STOCKTON TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 70. WATCH NUMBER 70 WILL NOT BE IN EFFECT AFTER 955
PM CDT. CONTINUE...WW 69...WW 71...WW 72...

DISCUSSION...LINE OF SEVERE STORMS EXTENDS ALONG THE TX/NM
BORDER...WITH ANOTHER ISOLATED SUPERCELL SOUTHEAST OF MAF.  ALL
ACTIVITY IS EXPECTED TO PERSIST FOR SEVERAL MORE HOURS AND SPREAD
SLOWLY EASTWARD INTO WEST TX.  STRONG AND INCREASING LOW LEVEL SHEAR
WILL MAINTAIN A FAVORABLE ENVIRONMENT FOR SUPERCELLS AND BOWS
CAPABLE OF LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23030.


...HART

Tornado Watches in Texas, 2007Tornado Watches in New Mexico, 2007Every tornado watch in 2007

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.